Book of Baal

Book of Baal

With the Book of Baal online slot, everything is about going on Egyptian-themed adventure. You’re diving into ancient tombs looking for treasure, and the book itself is the order of the day. Here you’ll pick up free spins, scatter pays, book collections and other features for even better payouts.

Rating: 85% | Made By Iron Dog Studio | Reviewed On

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An Introduction to the Book of Baal Slot

In the world of online slots, we see a variety of genres and sub-genres get a lot of attention. This is both in terms of themes and in terms of gameplay styles. With the Book of Baal video slot, Iron Dog Studio has shown once again why they are one of the undisputed kings of the space with how they have handled a popular one of these sub-genres.

Book of Baal Main Screen
Book of Baal Main Screen

While they offered an excellent presentation, it’s the variation on the usual gameplay that kept our attention the most.

If you’re played many slots, you’ve probably come across Egyptian-themed titles with combination scatter-wild symbols. It’s just a common trope because players love the style that comes along with it. However, in this case, we get to see why Iron Dog Studio slots stand out compared to so much of the rest. Instead of resting on the laurels of the sub-genre, they’ve expanded it with some fresh ideas and new ways to win.

Aesthetically, this game also has a bit of a fresh look to it as well. Normally, your perspective even of the background is looking into a tomb or onto a building. Here, you’re sitting in the building and are looking out at the desert. It’s a beautiful view that matches with how great everything else looks on the reels. Each one of the symbols is gorgeous and looks like something that could have been pulled from a treasure-filled ancient tomb.

Betting and Layout

One thing Iron Dog Studio didn’t do to get outside of the box is mix up the format too much. However, because of the necessities surrounding the combination wild-scatter, this format makes complete and total sense. Here’s what you’ll want to know before starting out:

  • For the main grid, Iron Dog Studio slots often use something common and stable. In this case, they did just that with five vertical reels and three horizontal rows.
  • Likewise, when it comes to the number of lines, the number 10 works out perfectly here.
  • Note that you can only win on the lines from left to right in this game. Additionally, you can’t change how many lines are available or active.
  • At the low end, you can bet as little as €0.10 per turn. It’s a really inclusive minimum amount that can fit within virtually any bankroll.
  • When it comes to the maximum, you can wager as much as €50 per spin.

The volatility level for this game is around the medium to medium-high range. If that’s a little too high for you, but you still like Egyptian-themed slots, try the Secret of Dead game instead. In any case, you’ll have some swings here and there, but they aren’t absolutely huge on average or anything like that.

The assumption in this title is that players are betting 10 coins on each turn. This corresponds to one-tenth of your total bet size on each line. Subsequently, most payouts are listed as the number of coins you’re winning. That’s also how we’ll list them here except when otherwise noted.

Gameplay and Features of the Book of Baal Video Slot

Everything that you can find in the Book of Baal online slot actually centers around the books themselves. Virtually all of the features have this one symbol at its center. Since it’s such an impressive amount of value tied into whether or not a single symbol appears, your volatility goes up a bit as a result. Here we’ll break down how this book itself works and how it affects all of the features and game mechanics.

Book of Baal Scatter Wild
Book of Baal Scatter Wild

Wild Book Payouts

First and foremost, the book acts as a wild symbol on the reels in the Book of Baal slot. It’s a really straightforward idea that’s similar to how wilds work in most other slots. Along these lines, they appear on all five reels and give you wins along the following lines:

  • Five of a Kind – 5,000x
  • Four of a Kind – 1,000x
  • Three of a Kind – 100x
  • Two of a Kind – 10x

When you get combinations of wilds, it’s also possible that they substitute instead of giving the above wins. However, that will only happen if it will give you a better payout. Overall, the approach used in this slot is that the game evaluates each payline individually. From there, it will make the wilds work in a way that gives the best payout for that individual line. Additionally, this allows wilds to substitute for more than one symbol for different paylines simultaneously.

Scatter Wins

You can also get scatter wins separately for this same symbol:

  • Five of a Kind – 2,000x
  • Four of a Kind – 200x
  • Three of a Kind – 20x

These are calculated on their own and do not impact the line-based wins.

Book of Baal Free Spins

Much like the Throne of Osiris slot by Endemol Shine, free spins are super important in this game. Three or more of the books anywhere on the grid earns you 10 free spins.

Additionally, a single symbol is chosen at random at the beginning of the feature to act as a special scatter symbol. It has a special border during the feature to make it clear when it appears. After payouts are awarded normally, these special symbols expand and pay from left to right regardless of their positions. Essentially, they don’t have to be placed on consecutive reels from left to right for pays.

Note that this free spins mode can be re-triggered. When you have three books (or more) appear anywhere on the game board, another ten Book of Baal free spins are added to your total. This creates a situation where you can actually end up with no limit to the number of free turns you can get in this bonus game.

Book of Baal Free Spins
Book of Baal Free Spins

Book Collection Feature

A special feature is available based on the meter shown in the top-left corner of the game board. Any books that do not trigger free spins are collected with this meter. Subsequently, when you get to 25 total collected books, the Collection Bonus Round is triggered.

You start off with the same special expansion scatter idea as the free spins mode. However, you get spins to try to win only with that special symbol. It’s a cool idea that rewards you on a pretty regular basis. Additionally, it gives you something to work toward where you can see the progress increasing regularly.

However, it’s important to note that your meter position is tied to your bet size. If you switch bet sizes, it will change accordingly.

It’s also important to note that you cannot trigger this feature during the free spins mode. While you’re in the free spins, however, the books aren’t actually collected.

How to Win at Book of Baal

With the volatility of this game being in the medium-high range, you’ll run into some significant swings here and there. However, it’s not so bad overall. If you decide to drop your bet size down slightly, it will help with the volatility a bit. With that said, it’s a completely optional adjustment.

You also have the ability to buy the free spins mode with three different options. The price is different based on how many scattered special symbols you want. Something worth noting here is that the volatility increases a lot with this approach, so dropping down your wager amount is probably a good idea. Additionally, the RTP percentage of buying the feature is 96.4 percent for any of the three options. Since it’s only 96.14 percent (which is already above-average) for the regular game mode, that’s something else to consider.

Payout Structure for the Book of Baal Online Slot

The explorer gives you 5,000x when you line up five of a kind. From there, the decorative scarab pays 2,000x for five, and you can also earn 750x for five of the Eye of Ra. This is the same 750x win as you get for five of the ankh symbol. Additionally, all four of these symbols pay out for just two of a kind. However, the rest of the symbols need at least three (as do the scatter wins).

Book of Baal Payouts
Book of Baal Payouts

For the green A and purple K symbols, you’ll earn 150x for five of a kind. Likewise, you can score 100x for five of the purple Q, red J and blue 10 symbols. Overall, we’re just glad that Cleopatra didn’t show up, which seems to be a trope used too much in Egyptian-based slots.


The Book of Baal slot is an excellent entry into Iron Dog Studio’s overall selection of games because of its visual appeal and gameplay. The book-centric play style of this game is targeted around bringing video slot fans a ton of action. Additionally, the overall variation of the Egyptian concept used as the center for this title makes it stand out a lot.

The set of book-based features incorporates a number of various extra ways to take down a win alongside the usual pay table offering. As if that wasn’t enough, we also love how the presentation gives you a more immersive style of gameplay contrasted to only being an unimportant detail.


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What is the Return to Player (RTP) for Book of Baal?

The Book of Baal RTP is 96.14%. An RTP of 96.14% puts Book of Baal among slots with an average Return to Players. To be a high RTP slot it would have to be 98% or more.